Was the transition from 60s, 70s, 80s, 90s normal and what we should expect? Or was it an exception and a "stuck" culture is just a return to reality where fash

Was the transition from 60s, 70s, 80s, 90s normal and what we should expect? Or was it an exception and a "stuck" culture is just a return to reality where fashion and music don't change dramatically every 10 years.